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-rw-r--r--crypt/crypt.h70
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-/*
- * UFC-crypt: ultra fast crypt(3) implementation
- *
- * Copyright (C) 1991-2023 Free Software Foundation, Inc.
- *
- * The GNU C Library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * The GNU C Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with the GNU C Library; if not, see
- * <https://www.gnu.org/licenses/>.
- *
- * @(#)crypt.h 1.5 12/20/96
- *
- */
-
-#ifndef _CRYPT_H
-#define _CRYPT_H 1
-
-#include <features.h>
-
-__BEGIN_DECLS
-
-/* One-way hash PHRASE, returning a string suitable for storage in the
- user database. SALT selects the one-way function to use, and
- ensures that no two users' hashes are the same, even if they use
- the same passphrase. The return value points to static storage
- which will be overwritten by the next call to crypt. */
-extern char *crypt (const char *__phrase, const char *__salt)
- __THROW __nonnull ((1, 2));
-
-#ifdef __USE_GNU
-
-/* This structure provides scratch and output buffers for 'crypt_r'.
- Its contents should not be accessed directly. */
-struct crypt_data
- {
- char keysched[16 * 8];
- char sb0[32768];
- char sb1[32768];
- char sb2[32768];
- char sb3[32768];
- /* end-of-aligment-critical-data */
- char crypt_3_buf[14];
- char current_salt[2];
- long int current_saltbits;
- int direction, initialized;
- };
-
-/* Thread-safe version of 'crypt'.
- DATA must point to a 'struct crypt_data' allocated by the caller.
- Before the first call to 'crypt_r' with a new 'struct crypt_data',
- that object must be initialized to all zeroes. The pointer
- returned, if not NULL, will point within DATA. (It will still be
- overwritten by the next call to 'crypt_r' with the same DATA.) */
-extern char *crypt_r (const char *__phrase, const char *__salt,
- struct crypt_data * __restrict __data)
- __THROW __nonnull ((1, 2, 3));
-#endif
-
-__END_DECLS
-
-#endif /* crypt.h */